Metals



(No Model.) 3 Sheets-Sheet 1.

W. E. MAY.

APPARATUS FOR CASTING METALS.

No. 596,897. Patented Jan. 4, 1898.

Witnesses I s Sheets-Shet 2. W. E. MAY.

APPARATUS FOR CASTING METALS.

Patented Jan. 4, 1898.

m J, W U i M 6 y n x x 2 \M (No Model.)

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(No Model.) s Sheetssheet'ii.

W. E..MAY. v APPARATUS FOR. CASTING METALS. No. 596,897. Patented Jan.4,1898.

NITEI) STATES PATENT amen.

IVILLIABII ELLIS MAY, OF LONDON, ENGLAND, ASSIGNOR TO THE ELLIS MAYVACUUM STEEL SYNDICATE, LIMITED, OF SAME PLACE.

APPARATUS FOR CASTING METALS.

SPECIFICATION forming part of Letters Patent No. 596,897, dated January4, 1898.

Application filed February 5, 1897. Serial No. 622,183. (No model.)

To all whom it may concern: through the chamber at right angles to Fig.

Be it known that LWVILLIAM ELLIS MAY, 'a 2, and Fig. 4 is a sectionalview of means for subjectof the Queen of GreatBritain, residing clampingthe top of the chamber to the sides at Bromley, London, in the county ofKent, thereof.

5 England, have invented new and useful Ima is the working or operatingchamber,

provements in Apparatus for Casting Metals, which is preferably buriedin the ground to of which the following is a specification. the depth ofthe sides, and h is the removable Thisinvention relates to the castingof mettop of the same, the said top and sides of the als in some, asdescribed in the specification chamber being provided with flanges c c,be-

10 of my former patent, No. 481,799, wherein a tween which a suitableair-tight packing d is system of store vacuum-chambers is describedplaced, screw-clamps e, such as that shown in in connection with workingor operating Fig. 4, being sometimes employed to increase chambers inwhich a vacuum is maintained the pressure upon the packing. while thecasting is being performed, the obb b are glazed sightholes in the topor cover 1 5 jects of mypresent invention being to facilib to enable theoperations carried on within tate the casting operation and to simplifythe the chamber to be observed. construction of the apparatus. a is thepipe connecting the working cham- In carrying out my invention Iconstruct her with the store vacuum-chamber, a being and arrange theworking or operating chamthe valve in the said pipe for shutting offcomzo here as follows-that is to say, I provide a munication between thesaid chambers. chamber preferably buried in the ground to fis the ladlefor containing the molten metal the depth of the sides and having aremovbefore it is run into the molds, f being the able top and adaptedto contain a series of hole at the bottom of the same for running themolds. The ladle is supported in and hermetal.

'25 metically closes a central opening in the top f is the plug whichserves to close the hole of the chamber and has a hole at the bottom f,any suitable mechanism being employed for running the metal, a plugoperated by any for operating the said plug. In the arrangesuitablemechanism being used to close the ment shown I have illustrated the plugas besaid hole. Achute or runner-is arranged with ing operated by a rackg, pinion g, and star- 39 one end beneath the hole in the ladle and iswheel 9 althoughit is obvious that anyother adapted to turn in abearing, while the other suitable means can be employed. end or mouth issupported by Wheels on a cirh is the runner for conveying the moltencular railway, on which it can be moved by metal from the ladle to themolds 1'- 'i. The suitable mechanism, so as to direct the metal runnerhas one end arranged to turn in a bear- 35 from the ladle to the severalingot-n1olds aring formed in a plate 72/ beneath the ladle,

ranged in a circle in the vacuum-chamber. while the other end or mouthis supported by \Vhen the molds are filled, the top and ladle Wheels 72.on the circular railway 77.3, on which can be removed and used inconnection with it can be moved so as to direct the metal from anotherseries of molds. An air-tight packthe ladle to any one of the ingot-molds 2' 2', the

40 ing is employed between flanges on the sides said molds beingarranged in a circle for the and top of the chamber, and in some casespurpose. Mechanism for actuating the said screw-clamps are employed toincreasethe runner advantageously consists of a wormpressure on thepacking. wheel 71, attached to the runner, and aworm To enable myinvention to be clearly under- 72. engaging with the said worm-wheel and45 stood, I will describe the same by reference actuated from theoutside of the chamber by 5 to the accompanying drawings, in whichastar-Wheel 7L6. I

Figure l is a plan, With part of the top or By forming the tops orcovers detachable cover removed, of apparatus constructed 2.0- from thechambers one top or cover can be cording to my invention. Fig. 2 is asection made use of in connection with several cham- 50 on the line 2 2,Fig. 1. Fig. 3 is a section bers that is to say, after the molds in onechamber have been filled the top or cover can be removed and used inconnection with another chamber.

Having now particularly described and ascertained the nature of my saidinvention and in What manner the same is to be performed, I deolare thatwhat I claim is- 1 In apparatus for casting metals the combination witha x aeuum-oharnber the cover of which is provided with a ladle, of arunner rotatably mounted at one end in bearings, of a circular railwayon which the other end or mouth of the runner moves and of means forrotating the runner, substantially as described.

In apparatus for casting metals the combination with a vacuum-chamberthe cover of which is provided with a ladle, of a runner rotatablymounted in bearings at one end, of a circular railway on which the otherend or mouth of the runner is supported and of worm gear for rotatingthe runner, substantially as described.

3. Apparatus for casting metals consisting of the vacuum-chamber a,cover I), ladle f, plug f runner h, circular railway 71, Wormgear 714,ha and molds 11, substantially as described. Y Y

WILLIAM ELLIS MAY. Witnesses:

G. F. REDFERN, G. F. TYSON.

